The engine needs more oil to run smoothly.（发动机需要更多机油才能平稳运转。）

Oil is an important energy source in the world.（石油是世界上重要的能源。）

She added a few drops of essential oil to the bathwater.（她往洗澡水里加了几滴精油。）

This kind of oil can be used for cooking.（这种油可以用来烹饪。）

The mechanic changed the oil in my car.（机械师给我的汽车换了机油。）

We need to buy some lamp oil for the old lamp.（我们需要为那盏旧灯买些灯油。）

Oil prices have been fluctuating recently.（最近油价一直在波动。）

The artist used oil paints to create a beautiful landscape.（这位艺术家使用油画颜料创作了一幅美丽的风景画。）

Olive oil is very healthy for our bodies.（橄榄油对我们的身体很健康。）

They drilled for oil in the desert.（他们在沙漠中钻探石油。）

The oil spill in the ocean caused great damage to the environment.（海洋中的石油泄漏对环境造成了极大的破坏。）

My mother uses coconut oil to moisturize her skin.（我妈妈用椰子油来滋润她的皮肤。）

The factory produces a lot of industrial oil.（这家工厂生产大量的工业用油。）

Pour some oil into the pan before frying the eggs.（煎鸡蛋前往锅里倒些油。）

The oil industry plays a significant role in the national economy.（石油产业在国民经济中起着重要作用。）

He rubbed some oil on the rusty hinge to make it move smoothly.（他在生锈的铰链上擦了些油，使它能顺畅转动。）

Essential oils are often used in aromatherapy.（精油常用于芳香疗法。）

Crude oil is processed in refineries to make various products.（原油在炼油厂进行加工以制成各种产品。）

The oil painting hanging on the wall is very valuable.（挂在墙上的这幅油画很有价值。）

We should save oil resources and use more renewable energy.（我们应该节约石油资源，更多地使用可再生能源。）